Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5120061 | Golf club head | Atsushi Tsuchida | 1992-06-09 |
| 4824116 | Golf club head | Itsushi Nagamoto, Tatsuo Nakanishi | 1989-04-25 |
| 4714577 | Method for producing a wood-type golf club head | Itsushi Nagamoto, Tatsuo Nakanishi | 1987-12-22 |